package com.dff.jrfw.utils;

import android.app.AlertDialog;
import android.util.Log;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.text.DecimalFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * @Author wangsg
 * @Description 字符串基础类
 * @Date 2015-2-13
 */
public class StringUtil {

    private static final String _BR = "<br/>";
    // 全局数组
    private final static String[] strDigits = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"};

    private final static ThreadLocal<SimpleDateFormat> dateFormater2 = new ThreadLocal<SimpleDateFormat>() {
        @Override
        protected SimpleDateFormat initialValue() {
            return new SimpleDateFormat("yyyy-MM-dd");
        }
    };

    private final static ThreadLocal<SimpleDateFormat> dateFormater = new ThreadLocal<SimpleDateFormat>() {
        @Override
        protected SimpleDateFormat initialValue() {
            return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        }
    };

    /**
     * 校验银行卡卡号
     *
     * @param cardId
     * @return
     */
    public static boolean checkBankCard(String cardId) {
        char bit = getBankCardCheckCode(cardId.substring(0, cardId.length() - 1));
        if (bit == 'N') {
            return false;
        }
        return cardId.charAt(cardId.length() - 1) == bit;
    }

    /**
     * 从不含校验位的银行卡卡号采用 Luhm 校验算法获得校验位
     *
     * @param nonCheckCodeCardId
     * @return
     */
    public static char getBankCardCheckCode(String nonCheckCodeCardId) {
        if (nonCheckCodeCardId == null || nonCheckCodeCardId.trim().length() == 0
                || !nonCheckCodeCardId.matches("\\d+")) {
            //如果传的不是数据返回N
            return 'N';
        }
        char[] chs = nonCheckCodeCardId.trim().toCharArray();
        int luhmSum = 0;
        for (int i = chs.length - 1, j = 0; i >= 0; i--, j++) {
            int k = chs[i] - '0';
            if (j % 2 == 0) {
                k *= 2;
                k = k / 10 + k % 10;
            }
            luhmSum += k;
        }
        return (luhmSum % 10 == 0) ? '0' : (char) ((10 - luhmSum % 10) + '0');
    }

    /**
     * md5 加密
     *
     * @param plainText
     * @return
     */
    public static String toMD5(String plainText) {
        String resultString = null;
        try {
            resultString = new String(plainText);
            MessageDigest md = MessageDigest.getInstance("MD5");
            try {
                resultString = byteToString(md.digest(plainText.getBytes("utf-8")));
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
        } catch (NoSuchAlgorithmException ex) {
            ex.printStackTrace();
        }
        return resultString;
    }

    /**
     * MD5加密
     */
    public static String md5(String string) {
        byte[] hash;
        try {
            hash = MessageDigest.getInstance("MD5").digest(
                    string.getBytes("UTF-8"));
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException("Huh, MD5 should be supported?", e);
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException("Huh, UTF-8 should be supported?", e);
        }

        StringBuilder hex = new StringBuilder(hash.length * 2);
        for (byte b : hash) {
            if ((b & 0xFF) < 0x10)
                hex.append("0");
            hex.append(Integer.toHexString(b & 0xFF));
        }
        return hex.toString();
    }

    /**
     * 转换字节数组为16进制字串
     *
     * @param bByte
     * @return
     */
    private static String byteToString(byte[] bByte) {
        StringBuffer sBuffer = new StringBuffer();
        for (int i = 0; i < bByte.length; i++) {
            sBuffer.append(byteToArrayString(bByte[i]));
        }
        return sBuffer.toString();
    }

    /**
     * 返回形式为数字跟字符串
     *
     * @param bByte
     * @return
     */
    private static String byteToArrayString(byte bByte) {
        int iRet = bByte;
        // System.out.println("iRet="+iRet);
        if (iRet < 0) {
            iRet += 256;
        }
        int iD1 = iRet / 16;
        int iD2 = iRet % 16;
        return strDigits[iD1] + strDigits[iD2];
    }

    private static SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm");

    /**
     * 转化时间格式
     *
     * @param time
     * @return
     */
    public static String formatDate(String time) {
        try {
            return format.format(Long.parseLong(time));
        } catch (NumberFormatException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 金钱格式转换
     *
     * @param amount
     * @return
     */
    public static String formatAmount(String amount) {

        String format;
        try {
            DecimalFormat df = new DecimalFormat("0.0");
            double d = Double.parseDouble(amount);
            double result = d / 10000.0;
            format = df.format(result);
            return format + "";
        } catch (NumberFormatException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return "0";
    }

    /**
     * 获取两个日期的时间差
     */
    public static int getTimeInterval(String data) {
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        int interval = 0;
        try {
            Date currentTime = new Date();// 获取现在的时间
            Date beginTime = dateFormat.parse(data);
            interval = (int) ((beginTime.getTime() - currentTime.getTime()) / (1000));// 时间差
            // 单位秒
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return interval;
    }

    /**
     * 设定显示文字
     */
    public static String getInterval(long interval) {
        String txt = null;
        if (interval >= 0) {
            long day = interval / (24 * 3600);// 天
            long hour = interval % (24 * 3600) / 3600;// 小时
            long minute = interval % 3600 / 60;// 分钟
            long second = interval % 60;// 秒

            txt = "距离现在还有：" + day + "天" + hour + "小时" + minute + "分" + second
                    + "秒";
        } else {
            new AlertDialog.Builder(null).setTitle("温馨提示")
                    .setMessage("您输入的时间小于当前时间，请重新输入。")
                    .setPositiveButton("确定", null).show();
        }
        return txt;
    }

    /**
     * 判断字符串是否为空
     *
     * @return true：不为空， false：为空
     */
    public static boolean isNotNull(String str) {
        if (str != null && !"".equals(str)) {
            return true;
        }
        return false;
    }

    public static boolean isEmpty(String str) {
        if (str != null && !"".equals(str)) {
            return false;
        }
        return true;
    }

    /**
     * 校验用户名是否合法，规则4-20个字符（可以为字母、数字或下划线'_'，不能包含空格）
     *
     * @param name 用户名
     * @return true为合法
     */
    public static boolean checkName(String name) {
        Pattern pattern = Pattern.compile("^[0-9a-zA-Z_]{4,20}$");
        Matcher matcher = pattern.matcher(name);
        return matcher.matches();
    }

    /**
     * 校验密码是否合法，规则密码由6～16位数字或字母组成。
     *
     * @param psw 用户名
     * @return true为合法
     */
    public static boolean checkPsw(String psw) {
        Pattern pattern = Pattern.compile("^[0-9a-zA-Z]{6,16}$");
        Matcher matcher = pattern.matcher(psw);
        return matcher.matches();
    }

    /**
     * 转换数据类型；
     *
     * @param
     * @return string 4位编号，如0101
     */
    public static String unformatVid(String _id) {
        int id = Integer.parseInt(_id);
        return String.valueOf(id);
    }

    /**
     * 转换输入流为字符串
     *
     * @param is 指定要转换的输入流
     * @return String 字符串
     */
    public static String getString(InputStream is) {
        BufferedReader in = new BufferedReader(new InputStreamReader(is));
        StringBuffer buffer = new StringBuffer();
        String line = "";
        try {
            while ((line = in.readLine()) != null) {
                buffer.append(line);
            }
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
        return buffer.toString();
    }

    /**
     * 检查是否是邮箱
     *
     * @param email
     * @return
     */
    public static boolean isEmail(String email) {
        if (email == null || email.trim().length() == 0)
            return false;
        Pattern emailer = Pattern.compile("\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*");
        return emailer.matcher(email).matches();
    }

    /**
     * string转int
     *
     * @param string
     * @param defaultValue
     * @return
     */
    public static int toInt(String string, int defaultValue) {
        if (string == null || string.equals("")) {
            return defaultValue;
        }
        try {
            return Integer.parseInt(string);
        } catch (NumberFormatException err) {
            return defaultValue;
        }
    }

    /**
     * string转Float
     *
     * @param string
     * @param defaultValue
     * @return
     */
    public static float toFloat(String string, float defaultValue) {
        if (string == null || string.equals("")) {
            return defaultValue;
        }
        try {
            return Float.parseFloat(string);
        } catch (NumberFormatException err) {
            return defaultValue;
        }
    }

    /**
     * string转Long
     *
     * @param string
     * @param defaultValue
     * @return
     */
    public static long toLong(String string, long defaultValue) {
        if (string == null || string.equals("")) {
            return defaultValue;
        }
        try {
            return Long.parseLong(string);
        } catch (NumberFormatException err) {
            return defaultValue;
        }
    }

    /**
     * string 转 boolean
     *
     * @param string
     * @param defaultValue
     * @return
     */
    public static boolean toBoolean(String string, boolean defaultValue) {
        if (string == null || string.equals("")) {
            return defaultValue;
        }
        try {
            return Boolean.parseBoolean(string);
        } catch (NumberFormatException err) {
            return defaultValue;
        }
    }

    /**
     * 字符串数组转字符串，并用逗号分隔
     *
     * @param strArray
     * @return
     */
    public static String arrayToString(String[] strArray) {
        if (strArray == null || strArray.length == 0) {
            return "";
        }
        StringBuffer s = new StringBuffer();
        int len = strArray.length;
        for (int i = 0; i < len; i++) {
            s.append(strArray[i]);
            if (i >= 0 && i < len - 1) {
                s.append(',');
            }
        }
        return s.toString();
    }

    /**
     * 字符串截取
     *
     * @param str
     * @param length
     * @return
     * @throws Exception
     */
    public static String subString(String str, int length) throws Exception {

        byte[] bytes = str.getBytes("Unicode");
        int n = 0; // 表示当前的字节数
        int i = 2; // 要截取的字节数，从第3个字节开始
        for (; i < bytes.length && n < length; i++) {
            // 奇数位置，如3、5、7等，为UCS2编码中两个字节的第二个字节
            if (i % 2 == 1) {
                n++; // 在UCS2第二个字节时n加1
            } else {
                // 当UCS2编码的第一个字节不等于0时，该UCS2字符为汉字，一个汉字算两个字节
                if (bytes[i] != 0) {
                    n++;
                }
            }
        }
        // 如果i为奇数时，处理成偶数
        if (i % 2 == 1) {
            // 该UCS2字符是汉字时，去掉这个截一半的汉字
            if (bytes[i - 1] != 0)
                i = i - 1;
                // 该UCS2字符是字母或数字，则保留该字符
            else
                i = i + 1;
        }
        return new String(bytes, 0, i, "Unicode");
    }

    /**
     * 分割字符串
     *
     * @param str       String 原始字符串
     * @param splitsign String 分隔符
     * @return String[] 分割后的字符串数组
     */
    public static String[] split(String str, String splitsign) {
        int index;
        if (str == null || splitsign == null)
            return null;
        ArrayList<String> al = new ArrayList<String>();
        while ((index = str.indexOf(splitsign)) != -1) {
            al.add(str.substring(0, index));
            str = str.substring(index + splitsign.length());
        }
        al.add(str);
        return (String[]) al.toArray(new String[0]);
    }

    /**
     * 替换字符串
     *
     * @param from   String 原始字符串
     * @param to     String 目标字符串
     * @param source String 母字符串
     * @return String 替换后的字符串
     */
    public static String replace(String from, String to, String source) {
        if (source == null || from == null || to == null)
            return null;
        StringBuffer bf = new StringBuffer("");
        int index = -1;
        while ((index = source.indexOf(from)) != -1) {
            bf.append(source.substring(0, index) + to);
            source = source.substring(index + from.length());
            index = source.indexOf(from);
        }
        bf.append(source);
        return bf.toString();
    }

    /**
     * 替换字符串，能能够在HTML页面上直接显示(替换双引号和小于号)
     *
     * @param str String 原始字符串
     * @return String 替换后的字符串
     */
    public static String htmlencode(String str) {
        if (str == null) {
            return null;
        }

        return replace("\"", "&quot;", replace("<", "&lt;", str));
    }

    /**
     * 替换字符串，将被编码的转换成原始码（替换成双引号和小于号）
     *
     * @param str String
     * @return String
     */
    public static String htmldecode(String str) {
        if (str == null) {
            return null;
        }

        return replace("&quot;", "\"", replace("&lt;", "<", str));
    }

    /**
     * 在页面上直接显示文本内容，替换小于号，空格，回车，TAB
     *
     * @param str String 原始字符串
     * @return String 替换后的字符串
     */
    public static String htmlshow(String str) {
        if (str == null) {
            return null;
        }

        str = replace("<", "&lt;", str);
        str = replace(" ", "&nbsp;", str);
        str = replace("\r\n", _BR, str);
        str = replace("\n", _BR, str);
        str = replace("\t", "&nbsp;&nbsp;&nbsp;&nbsp;", str);
        return str;
    }

    /**
     * 返回指定字节长度的字符串
     *
     * @param str    String 字符串
     * @param length int 指定长度
     * @return String 返回的字符串
     */
    public static String toLength(String str, int length) {
        if (str == null) {
            return null;
        }
        if (length <= 0) {
            return "";
        }
        try {
            if (str.getBytes("GBK").length <= length) {
                return str;
            }
        } catch (Exception ex) {
        }
        StringBuffer buff = new StringBuffer();

        int index = 0;
        char c;
        length -= 3;
        while (length > 0) {
            c = str.charAt(index);
            if (c < 128) {
                length--;
            } else {
                length--;
                length--;
            }
            buff.append(c);
            index++;
        }
        buff.append("...");
        return buff.toString();
    }

    /**
     * 获取url的后缀名
     *
     * @param urlString
     * @return
     */
    public static String getUrlFileName(String urlString) {
        String fileName = urlString.substring(urlString.lastIndexOf("/"));
        fileName = fileName.substring(1, fileName.length());
        if (fileName.equalsIgnoreCase("")) {
            Calendar c = Calendar.getInstance();
            fileName = c.get(Calendar.YEAR) + "" + c.get(Calendar.MONTH) + "" + c.get(Calendar.DAY_OF_MONTH) + "" + c.get(Calendar.MINUTE);

        }
        return fileName;
    }

    public static String replaceSomeString(String str) {
        String dest = "";
        try {
            if (str != null) {
                str = str.replaceAll("\r", "");
                str = str.replaceAll("&gt;", ">");
                str = str.replaceAll("&ldquo;", "“");
                str = str.replaceAll("&rdquo;", "”");
                str = str.replaceAll("&#39;", "'");
                str = str.replaceAll("&nbsp;", "");
                str = str.replaceAll("<br\\s*/>", "\n");
                str = str.replaceAll("&quot;", "\"");
                str = str.replaceAll("&lt;", "<");
                str = str.replaceAll("&lsquo;", "《");
                str = str.replaceAll("&rsquo;", "》");
                str = str.replaceAll("&middot;", "·");
                str = str.replace("&mdash;", "—");
                str = str.replace("&hellip;", "…");
                str = str.replace("&amp;", "×");
                str = str.replaceAll("\\s*", "");
                str = str.trim();
                str = str.replaceAll("<p>", "\n      ");
                str = str.replaceAll("</p>", "");
                str = str.replaceAll("<div.*?>", "\n      ");
                str = str.replaceAll("</div>", "");
                dest = str;
            }
        } catch (Exception e) {
            // TODO: handle exception
        }

        return dest;
    }

    /**
     * 清除文本里面的HTML标签
     *
     * @param htmlStr
     * @return
     */
    public static String delHTMLTag(String htmlStr) {
        String regEx_script = "<script[^>]*?>[\\s\\S]*?<\\/script>"; // 定义script的正则表达式
        String regEx_style = "<style[^>]*?>[\\s\\S]*?<\\/style>"; // 定义style的正则表达式
        String regEx_html = "<[^>]+>"; // 定义HTML标签的正则表达式
        Log.v("htmlStr", htmlStr);
        try {
            Pattern p_script = Pattern.compile(regEx_script, Pattern.CASE_INSENSITIVE);
            Matcher m_script = p_script.matcher(htmlStr);
            htmlStr = m_script.replaceAll(""); // 过滤script标签

            Pattern p_style = Pattern.compile(regEx_style, Pattern.CASE_INSENSITIVE);
            Matcher m_style = p_style.matcher(htmlStr);
            htmlStr = m_style.replaceAll(""); // 过滤style标签

            Pattern p_html = Pattern.compile(regEx_html, Pattern.CASE_INSENSITIVE);
            Matcher m_html = p_html.matcher(htmlStr);
            htmlStr = m_html.replaceAll(""); // 过滤html标签
        } catch (Exception e) {
            // TODO: handle exception
        }

        return htmlStr; // 返回文本字符串
    }

    public static String delSpace(String str) {
        if (str != null) {
            str = str.replaceAll("\r", "");
            str = str.replaceAll("\n", "");
            str = str.replace(" ", "");
        }
        return str;
    }

    /**
     * 以友好的方式显示时间
     *
     * @param sdate
     * @return
     */
    public static String friendly_time(String sdate) {
        Date time = toDate(sdate);
        if (time == null) {
            return "Unknown";
        }
        String ftime = "";
        Calendar cal = Calendar.getInstance();

        // 判断是否是同一天
        String curDate = dateFormater2.get().format(cal.getTime());
        String paramDate = dateFormater2.get().format(time);
        if (curDate.equals(paramDate)) {
            int hour = (int) ((cal.getTimeInMillis() - time.getTime()) / 3600000);
            if (hour == 0)
                ftime = Math.max((cal.getTimeInMillis() - time.getTime()) / 60000, 1) + "分钟前";
            else
                ftime = hour + "小时前";
            return ftime;
        }

        long lt = time.getTime() / 86400000;
        long ct = cal.getTimeInMillis() / 86400000;
        int days = (int) (ct - lt);
        if (days == 0) {
            int hour = (int) ((cal.getTimeInMillis() - time.getTime()) / 3600000);
            if (hour == 0)
                ftime = Math.max((cal.getTimeInMillis() - time.getTime()) / 60000, 1) + "分钟前";
            else
                ftime = hour + "小时前";
        } else if (days == 1) {
            ftime = "昨天";
        } else if (days == 2) {
            ftime = "前天";
        } else if (days > 2 && days <= 10) {
            ftime = days + "天前";
        } else if (days > 10) {
            ftime = dateFormater2.get().format(time);
        }
        return ftime;
    }

    public static String trimmy(String str) {
        String dest = "";
        if (str != null) {
            str = str.replaceAll("-", "");
            str = str.replaceAll("\\+", "");
            dest = str;
        }
        return dest;
    }

    public static String replaceBlank(String str) {

        String dest = "";
        if (str != null) {
            Pattern p = Pattern.compile("\r");
            Matcher m = p.matcher(str);
            dest = m.replaceAll("");
        }
        return dest;
    }

    /**
     * 将字符串转位日期类型
     *
     * @param sdate
     * @return
     */
    public static Date toDate(String sdate) {
        try {
            return dateFormater.get().parse(sdate);
        } catch (ParseException e) {
            return null;
        }
    }

    /**
     * 判断给定字符串时间是否为今日
     *
     * @param sdate
     * @return boolean
     */
    public static boolean isToday(String sdate) {
        boolean b = false;
        Date time = toDate(sdate);
        Date today = new Date();
        if (time != null) {
            String nowDate = dateFormater2.get().format(today);
            String timeDate = dateFormater2.get().format(time);
            if (nowDate.equals(timeDate)) {
                b = true;
            }
        }
        return b;
    }

    /**
     * 对象转整数
     *
     * @param obj
     * @return 转换异常返回 0
     */
    public static int toInt(Object obj) {
        if (obj == null)
            return 0;
        return toInt(obj.toString(), 0);
    }

    /**
     * 对象转整数
     *
     * @param obj
     * @return 转换异常返回 0
     */
    public static long toLong(String obj) {
        try {
            return Long.parseLong(obj);
        } catch (Exception e) {
        }
        return 0;
    }

    /**
     * 字符串转布尔值
     *
     * @param b
     * @return 转换异常返回 false
     */
    public static boolean toBool(String b) {
        try {
            return Boolean.parseBoolean(b);
        } catch (Exception e) {
        }
        return false;
    }

    /**
     * 判断是不是合法手机 handset 手机号码
     */
    public static boolean isHandset(String handset) {
        try {
            if (!handset.substring(0, 1).equals("1")) {
                return false;
            }
            if (handset == null || handset.length() != 11) {
                return false;
            }
            String check = "^[0123456789]+$";
            Pattern regex = Pattern.compile(check);
            Matcher matcher = regex.matcher(handset);
            boolean isMatched = matcher.matches();
            if (isMatched) {
                return true;
            } else {
                return false;
            }
        } catch (RuntimeException e) {
            return false;
        }
    }

    /**
     * 判断输入的字符串是否为纯汉字
     *
     * @param str 传入的字符窜
     * @return 如果是纯汉字返回true, 否则返回false
     */
    public static boolean isChinese(String str) {
        Pattern pattern = Pattern.compile("[\u0391-\uFFE5]+$");
        return pattern.matcher(str).matches();
    }

    /**
     * 判断是否为数字
     *
     * @param str
     * @return
     */
    public static boolean isNumeric(String str) {
        Pattern pattern = Pattern.compile("[0-9]*");
        Matcher isNum = pattern.matcher(str);
        if (!isNum.matches()) {
            return false;
        }
        return true;
    }

    /**
     * 判断是否为整数
     *
     * @param str 传入的字符串
     * @return 是整数返回true, 否则返回false
     */
    public static boolean isInteger(String str) {
        Pattern pattern = Pattern.compile("^[-\\+]?[\\d]*$");
        return pattern.matcher(str).matches();
    }

    /**
     * 判断是否为浮点数，包括double和float
     *
     * @param str 传入的字符串
     * @return 是浮点数返回true, 否则返回false
     */
    public static boolean isDouble(String str) {
        Pattern pattern = Pattern.compile("^[-\\+]?[.\\d]*$");
        return pattern.matcher(str).matches();
    }

    /**
     * 判断是否是指定长度的字符串
     *
     * @param text   字符串
     * @param lenght 自定的长度
     * @return
     */
    public static boolean isLenghtStrLentht(String text, int lenght) {
        if (text.length() <= lenght)
            return true;
        else
            return false;
    }

    /**
     * 是否是短信的长度
     *
     * @param text
     * @return
     */
    public static boolean isSMSStrLentht(String text) {
        if (text.length() <= 70)
            return true;
        else
            return false;
    }

    /**
     * 判断手机号码是否正确
     *
     * @param phoneNumber
     * @return
     */
   /* public static boolean isPhoneNumberValid(String phoneNumber) {
        phoneNumber = trimmy(phoneNumber);
        PhoneNumberUtil mobile = new PhoneNumberUtil(phoneNumber);
        return mobile.isLawful();
    }*/

    /**
     * 一个散列方法,改变一个字符串(如URL)到一个散列适合使用作为一个磁盘文件名。
     */
    public static String hashKeyForDisk(String key) {
        String cacheKey;
        try {
            final MessageDigest mDigest = MessageDigest.getInstance("MD5");
            mDigest.update(key.getBytes());
            cacheKey = bytesToHexString(mDigest.digest());
        } catch (NoSuchAlgorithmException e) {
            cacheKey = String.valueOf(key.hashCode());
        }
        return cacheKey;
    }

    private static String bytesToHexString(byte[] bytes) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < bytes.length; i++) {
            String hex = Integer.toHexString(0xFF & bytes[i]);
            if (hex.length() == 1) {
                sb.append('0');
            }
            sb.append(hex);
        }
        return sb.toString();
    }

    public static int convertToInt(String str) throws NumberFormatException {
        int s, e;
        for (s = 0; s < str.length(); s++)
            if (Character.isDigit(str.charAt(s)))
                break;
        for (e = str.length(); e > 0; e--)
            if (Character.isDigit(str.charAt(e - 1)))
                break;
        if (e > s) {
            try {
                return Integer.parseInt(str.substring(s, e));
            } catch (NumberFormatException ex) {
                throw new NumberFormatException();
            }
        } else {
            throw new NumberFormatException();
        }
    }

    public static String getRequestUrl(String url, Map<String, String> m) {
        if (StringUtil.isNotNull(url) && m != null) {
            Entry<String, String> map = null;
            String params = "";
            Iterator<Entry<String, String>> it = null;
            it = m.entrySet().iterator();
            while (it.hasNext()) {
                map = it.next();
                params += params = "&" + map.getKey() + "=" + map.getValue();
            }
            params = params.replaceFirst("&", "?");
            url += params;
            return url.replaceAll(" ", "%20");
        } else {
            return null;
        }
    }

    /**
     * 使用java正则表达式去掉多余的.与0
     * @param s
     * @return
     */
    public static String subZeroAndDot(String s){
        if(s.indexOf(".") > 0){
            s = s.replaceAll("0+?$", "");//去掉多余的0
            s = s.replaceAll("[.]$", "");//如最后一位是.则去掉
        }
        return s;
    }

}
